| 42,9 → 42,9 |
|---|
| #include <sys/types.h> |
| |
| /** Computes CRC32 value. |
| * @param seed Initial value. Often used as 0 or ~0. Input parameter. |
| * @param data Pointer to the beginning of data to process. Input parameter. |
| * @param length Length of the data in bits. Input parameter. |
| * @param[in] seed Initial value. Often used as 0 or ~0. |
| * @param[in] data Pointer to the beginning of data to process. |
| * @param[in] length Length of the data in bits. |
| * @returns The computed CRC32 of the length bits of the data. |
| */ |
| #ifdef ARCH_IS_BIG_ENDIAN |
| 54,17 → 54,17 |
|---|
| #endif |
| |
| /** Computes CRC32 value in the little-endian environment. |
| * @param seed Initial value. Often used as 0 or ~0. Input parameter. |
| * @param data Pointer to the beginning of data to process. Input parameter. |
| * @param length Length of the data in bits. Input parameter. |
| * @param[in] seed Initial value. Often used as 0 or ~0. |
| * @param[in] data Pointer to the beginning of data to process. |
| * @param[in] length Length of the data in bits. |
| * @returns The computed CRC32 of the length bits of the data. |
| */ |
| uint32_t compute_crc32_le( uint32_t seed, uint8_t * data, size_t length ); |
| |
| /** Computes CRC32 value in the big-endian environment. |
| * @param seed Initial value. Often used as 0 or ~0. Input parameter. |
| * @param data Pointer to the beginning of data to process. Input parameter. |
| * @param length Length of the data in bits. Input parameter. |
| * @param[in] seed Initial value. Often used as 0 or ~0. |
| * @param[in] data Pointer to the beginning of data to process. |
| * @param[in] length Length of the data in bits. |
| * @returns The computed CRC32 of the length bits of the data. |
| */ |
| uint32_t compute_crc32_be( uint32_t seed, uint8_t * data, size_t length ); |
| 71,21 → 71,21 |
|---|
| |
| /** Computes sum of the 2 byte fields. |
| * Padds one zero (0) byte if odd. |
| * @param seed Initial value. Often used as 0 or ~0. Input parameter. |
| * @param data Pointer to the beginning of data to process. Input parameter. |
| * @param length Length of the data in bytes. Input parameter. |
| * @param[in] seed Initial value. Often used as 0 or ~0. |
| * @param[in] data Pointer to the beginning of data to process. |
| * @param[in] length Length of the data in bytes. |
| * @returns The computed checksum of the length bytes of the data. |
| */ |
| uint32_t compute_checksum( uint32_t seed, uint8_t * data, size_t length ); |
| |
| /** Compacts the computed checksum to the 16 bit number adding the carries. |
| * @param sum Computed checksum. Input parameter. |
| * @param[in] sum Computed checksum. |
| * @returns Compacted computed checksum to the 16 bits. |
| */ |
| uint16_t compact_checksum( uint32_t sum ); |
| |
| /** Returns or flips the checksum if zero. |
| * @param checksum The computed checksum. Input parameter. |
| * @param[in] checksum The computed checksum. |
| * @returns The internet protocol header checksum. |
| * @returns 0xFFFF if the computed checksum is zero. |
| */ |
| 95,8 → 95,8 |
|---|
| * To compute the checksum of a new packet, the checksum header field must be zero. |
| * To check the checksum of a received packet, the checksum may be left set. |
| * The zero (0) value will be returned in this case if valid. |
| * @param data The header data. Input parameter. |
| * @param length The header length in bytes. Input parameter. |
| * @param[in] data The header data. |
| * @param[in] length The header length in bytes. |
| * @returns The internet protocol header checksum. |
| * @returns 0xFFFF if the computed checksum is zero. |
| */ |